#! /bin/bash

# ==============================================================================

BASEPATH=$( cd -- "$( dirname -- "${BASH_SOURCE[0]:-$0}" )" &> /dev/null && pwd )
ROOTDIR="$BASEPATH"

BOOST_URL_BASE='https://boostorg.jfrog.io/artifactory/main/release/'

# ==============================================================================


function usage() {
    echo 'Usage:'
    echo "   $0 [version-triple] [linux|win]"
    echo "Example: $0 1.78.0 linux"
    exit 1
}

if  [ $# -lt 1 ]; then
    echo 'Missing argument: Boost version (e.g. 1.78.0)' 1>&2
    usage
    exit 1
fi
if  [ $# -lt 2 ]; then
    echo 'Missing argument: platform (either "linux" or "win"' 1>&2
    usage
    exit 1
fi

VER=$1
shift
_ver=${VER//./_}

platform=$1
shift


# ==============================================================================

cd "$BASEPATH"

# ------------------------------------------------------------------------------

if [[ "$platform" == 'linux' ]]; then
    boost_archive="boost_${_ver}.tar.gz"
elif [[ "$platform" == 'win' ]]; then
    boost_archive="boost_${_ver}.zip"
else
    echo "Unsupported value for 'platform': $platform"
    exit 1
fi

if [ ! -f "$BASEPATH/$boost_archive" ]; then
    echo "Downloading $boost_archive"
    wget "$BOOST_URL_BASE/${VER}/source/${boost_archive}"
else
    echo "$boost_archive already present in $BASEPATH"
fi

# ------------------------------------------------------------------------------

if [[ "$platform" == 'linux' ]]; then
    tar zxf "$boost_archive" --strip-components=1
elif [[ "$platform" == 'win' ]]; then
    unzip -qo "$boost_archive"

    src_dir="boost_${_ver}"
    rsync -a "${src_dir}"/* .
    rm -rf "${src_dir}"
fi

rm "$boost_archive"

# ==============================================================================